Vertical shaft excavation supporting construction structure
By designing a shaft excavation support construction structure including the first support assembly and the second support assembly, the problems of support plate displacement, concrete side pressure in the prior art are solved, and the problems of lack of shock absorption are achieved. More stable and durable support effect.
Patent Information
- Application Number
- CN202411483445.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-02-18
AI Technical Summary
During the concrete lining process, the existing vertical shaft excavation support construction structure has problems such as support plate displacement, difficulty in sufficient support for concrete side pressure, and lack of shock-absorbing structures, resulting in easy damage.
A construction structure including the first support assembly and the second support assembly is designed, and an annular structure is formed through the sliding connection between the T-shaped block and the T-shaped groove, combining the sliding connection between the arc block and the spring to enhance the support function. And vertical support and shock absorption buffering are carried out through the support assembly and shock absorption assembly.
It improves the stability and support effect of the support structure, enhances the support capacity of concrete and inner walls of the shaft, reduces the risk of damage to the structure under the action of external forces, and extends the service life.
Smart Images
Figure CN119466809A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the technical field related to shaft excavation support, and more specifically, particularly relates to a shaft excavation support construction structure. Background Art
[0002] The shaft excavation support construction structure is an important part of ensuring the safety of construction personnel and equipment during the shaft excavation process. The closed retaining structure is used to control the deformation of the surrounding rock and stabilize the shaft wall to prevent the influx of groundwater. The most common closed retaining structure is the concrete lining. The concrete lining has good durability and impermeability. In the shaft project, precast concrete segments, shotcrete and concrete plastering can be used. In order to support the inner wall of the shaft, the shaft excavation support construction structure is usually installed in the shaft first to form an inner circular formwork, and then the concrete lining is carried out between the outer side of the shaft excavation support construction structure and the inner side of the shaft. However, the shaft excavation support in the prior art has the following defects: 1. In the prior art, when the shaft excavation support construction structure supports the concrete in the shaft, a number of support plates are usually installed in the shaft to form an inner circular template. However, the connection between the support plates is not tight enough, which leads to the displacement of the support plates during the concrete lining process, thereby affecting the effect of the concrete lining.
[0003] 2. In the prior art, after the shaft excavation support construction structure is installed, during the concrete pouring process, the support components are subjected to the lateral pressure of the concrete. However, the existing shaft excavation support construction structure is relatively simple and it is difficult to fully support the poured concrete and avoid the concrete flowing out from the gap between two adjacent support plates.
[0004] 3. In the prior art, after pouring concrete, it is necessary to vibrate the concrete to ensure that the concrete is dense and free of bubbles. However, the existing shaft excavation support construction structure lacks a shock-absorbing structure, so that when the shaft excavation support construction structure is subjected to external force, it cannot perform shock-absorbing and buffering effects on the external force, resulting in the external force directly acting on the shaft excavation support construction structure, which can easily damage the shaft excavation support construction structure and reduce its service life.
[0005] Therefore, in view of this, the existing structure and deficiencies are studied and improved, and a vertical shaft excavation support construction structure is provided, in order to achieve a more practical and valuable purpose. Summary of the invention
[0006] The present invention provides a shaft excavation support construction structure, which is used to overcome the above-mentioned defects in the prior art.
[0007] The purpose and effect of the shaft excavation support construction structure of the present invention are achieved by the following specific technical means: A shaft excavation support construction structure, comprising a first support assembly, wherein a plurality of second support assemblies are fixedly arranged at intervals vertically on the inner side of the first support assembly; the first support assembly comprises a plurality of support plates, each of which is in the form of an arc-shaped plate structure, and a circular array of six support plates is formed into a group, and each group of support plates is vertically welded and fixed, and the two ends of each group of support plates are mutually connected to form a ring-shaped support plate structure, and the inner side of each group of support plates is fixedly connected to the outer side of the second support assembly, and a support assembly is arranged on the inner side of a plurality of second support assemblies; the second support assembly comprises six first arc blocks, the outer side of each first arc block is fixedly connected to the inner side of the support plate, a second arc block is slidably arranged between each two adjacent first arc blocks, and two first springs are arranged at the two ends of each second arc block respectively connected to the inner side of the two first arc blocks; the support assembly comprises three vertical plates, an L-shaped plate is fixedly arranged on the inner side of the lower end of each vertical plate, and a first shock-absorbing assembly is arranged between the upper side of each L-shaped plate and the inner side of the vertical plate.
[0008] According to a further technical solution, a T-block is fixedly provided at one end of each of the support plates, and a T-slot is provided at the other end of each of the support plates, and each of the T-blocks slides vertically inside the corresponding T-slot.
[0009] According to a further technical solution, a plurality of first support rods are fixedly provided between each adjacent two of the second support assemblies.
[0010] According to a further technical solution, the first shock absorbing assembly includes a first frame, which is obliquely fixed on the upper side of the L-shaped plate, a first support block is slidably provided inside the first frame, the oblique upper end of the first support block is fixedly connected to the inner side of the vertical plate, and a second spring is provided at the oblique lower end of each first support block connected to the interior of the first frame.
[0011] According to a further technical solution, each of the L-shaped plates is provided with a plurality of insert rods for vertical sliding.
[0012] According to a further technical solution, a plurality of annular plates are fixedly provided at vertical intervals between the inner sides of the three vertical plates.
[0013] According to a further technical solution, a plurality of second support rods are welded and fixed between every two adjacent annular plates.
[0014] According to a further technical solution, anti-slip grooves are provided on the inner side of each vertical plate.
[0015] A further technical solution is that a plurality of pairs of first fixed seats are fixedly arranged in an outer circumferential array on the annular plate, two second fixed seats are symmetrically fixedly arranged on the inner side of each second arc-shaped block, a second shock absorbing assembly is connected to the interior of each first fixed seat and the interior of the second fixed seat, an inclined upper end of the second shock absorbing assembly is rotatably connected to the interior of the first fixed seat and a first hinge shaft is provided, and an inclined lower end of the second shock absorbing assembly is rotatably connected to the interior of the second fixed seat and a second hinge shaft is provided.
[0016] According to a further technical solution, the second shock absorbing assembly comprises a second frame, two second support blocks are symmetrically slidably arranged in the interior of the second frame, and a third spring is connected between the ends of the two second support blocks close to each other.
[0017] Compared with the prior art, the present invention has the following beneficial effects: A shaft excavation support construction structure of the present invention is provided with a first support assembly and a second support assembly. First, a T-block in one of the support plates in the first support assembly is slidably connected with a T-slot in another support plate, so that a plurality of T-blocks slide in a plurality of T-slots respectively, so that six support plates are connected to each other to form an annular structure, thereby improving the support function of the first support assembly. Then, a plurality of first arc blocks in the second support assembly are welded and fixed with a plurality of first support rods and matched with a plurality of second arc blocks and between each two adjacent second support assemblies, thereby strengthening the support function of the first support assembly. Finally, each first spring is located between one end of the second arc block and the inside of the first arc block, thereby strengthening the support function of the first support assembly through a plurality of second support assemblies, and performing a preliminary shock-absorbing and buffering effect on the first support assembly, so that the first support assembly has a good support effect on concrete and the inner wall of the shaft. A shaft excavation support construction structure of the present invention is provided with a support assembly, and three vertical plates in the support assembly cooperate with three L-shaped plates to enable the support assembly to vertically support the first support assembly; a plurality of annular plates are then used to support and fix the inner sides of the three vertical plates, thereby strengthening the vertical support function of the support assembly; finally, a plurality of second support rods are welded between two adjacent annular plates, thereby further strengthening the vertical support function of the support assembly, so as to enable the first support assembly to perform a better support function; A shaft excavation support construction structure of the present invention is provided with a first shock-absorbing assembly and a second shock-absorbing assembly. The first support block in the first shock-absorbing assembly slides in the first frame body to cooperate with the second spring, so that the first shock-absorbing assembly performs preliminary shock-absorbing and buffering effects on the vertical plate and the L-shaped plate; and a plurality of second shock-absorbing assemblies are connected between the annular plate and the second support assembly, so as to further improve the shock-absorbing and buffering effects between the first support assembly and the support assembly, so as to improve the supporting effect of the first support assembly on the concrete and the inner wall of the shaft. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0019] The present invention is further described below in conjunction with the accompanying drawings and embodiments.
[0020] Figure 1 It is an isometric structural schematic diagram of the present invention; Figure 2 It is an isometric structural schematic diagram of the support assembly in the present invention; Figure 3 It is an isometric structural schematic diagram of the support plate in the present invention; Figure 4 It is a schematic diagram of the top view of the structure of the present invention; Figure 5 for Figure 4 Schematic diagram of the cross-sectional structure at AA in the middle; Figure 6 for Figure 4 Schematic diagram of the cross-sectional structure at the middle BB; Figure 7 for Figure 6 The structural schematic diagram of the local enlarged view at D in the middle; Figure 8 It is a front view structural schematic diagram of the present invention; Fig. 9 for Figure 8 Schematic diagram of the cross-section structure at CC in the middle; Description of reference numerals: The first supporting assembly 10, the supporting assembly 11, the first shock absorbing assembly 12, the supporting plate 13, the T-block 14, the T-slot 15, the first arc block 16, the second arc block 17, the first spring 18, the vertical plate 19, the L-shaped plate 20, the plug rod 21, the second shock absorbing assembly 22, the first frame 23, the first supporting block 24, the second spring 25, the annular plate 26, the first fixed seat 27, the second fixed seat 28, the second supporting block 29, the second frame 30, the third spring 31, the second supporting assembly 32, the first hinge shaft 33, the second hinge shaft 34, the anti-slip pattern 35, the first supporting rod 36, and the second supporting rod 37. DETAILED DESCRIPTION
[0021] The following embodiments of the present invention are described in further detail in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0022] In the description of the present invention, unless otherwise specified, "plurality" means two or more than two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0024] As attached Figure 1 To Attachment Fig. 9 As shown: The invention provides a vertical shaft excavation support construction structure.
[0025] Refer to the attached Figure 1 To Attachment Fig. 9 , including a first support assembly 10, a plurality of second support assemblies 32 are fixedly arranged at vertical intervals on the inner side of the first support assembly 10; the first support assembly 10 includes a plurality of support plates 13, each support plate 13 is an arc-shaped plate structure, and a circular array of six support plates 13 is a group, each group of support plates 13 is vertically welded and fixed, and the two ends of each group of support plates 13 are connected to each other to form a ring-shaped support plate structure, and the inner side of each group of support plates 13 is fixedly connected to the outer side of the second support assembly 32, and the inner sides of the plurality of second support assemblies 32 are provided with support assemblies 11; The second support assembly 32 includes six first arc blocks 16, the outer side of each first arc block 16 is fixedly connected to the inner side of the support plate 13, a second arc block 17 is slidably provided between every two adjacent first arc blocks 16, and two first springs 18 are provided at both ends of each second arc block 17 respectively connected to the inside of the two first arc blocks 16; the support assembly 11 includes three vertical plates 19, an L-shaped plate 20 is fixedly provided on the inner side of the lower end of each vertical plate 19, and a first shock absorbing assembly 12 is provided between the upper side of each L-shaped plate 20 and the inner side of the vertical plate 19.
[0026] Preferably, a T-block 14 is fixedly provided at one end of each supporting plate 13 , and a T-slot 15 is provided at the other end of each supporting plate 13 , and each T-block 14 slides vertically inside the corresponding T-slot 15 .
[0027] Preferably, a plurality of first support rods 36 are fixedly disposed between every two adjacent second support assemblies 32 .
[0028] Preferably, the first shock absorbing assembly 12 includes a first frame 23, which is obliquely fixed on the upper side of the L-shaped plate 20, and a first support block 24 is slidably provided inside the first frame 23, and the inclined upper end of the first support block 24 is fixedly connected to the inner side of the vertical plate 19, and the inclined lower end of each first support block 24 is connected to the interior of the first frame 23 and is provided with a second spring 25.
[0029] Preferably, each L-shaped plate 20 is provided with a plurality of inserting rods 21 for vertical sliding movement.
[0030] Preferably, a plurality of annular plates 26 are fixedly disposed at vertical intervals between the inner sides of the three vertical plates 19 .
[0031] Preferably, a plurality of second support rods 37 are welded and fixed between every two adjacent annular plates 26 .
[0032] Preferably, an anti-slip pattern 35 is provided on the inner side of each vertical plate 19 .
[0033] Preferably, a plurality of pairs of first fixing seats 27 are fixedly provided in a circular array on the outer side of the annular plate 26, two second fixing seats 28 are symmetrically fixedly provided on the inner side of each second arc-shaped block 17, the interior of each first fixing seat 27 is connected to the interior of the second fixing seat 28 with a second shock absorbing assembly 22, the inclined upper end of the second shock absorbing assembly 22 is rotationally connected to the interior of the first fixing seat 27 with a first hinge shaft 33, and the inclined lower end of the second shock absorbing assembly 22 is rotationally connected to the interior of the second fixing seat 28 with a second hinge shaft 34.
[0034] Preferably, the second shock absorbing assembly 22 includes a second frame 30 , and two second support blocks 29 are symmetrically slidably disposed in the second frame 30 , and a third spring 31 is connected between the ends of the two second support blocks 29 that are close to each other.
[0035] The specific installation and use process of the present invention is as follows: First, the staff connects the six support plates 13 to each other, so that the T-block 14 in one of the support plates 13 is slidably connected with the T-slot 15 in another support plate 13, so that several T-blocks 14 slide in several T-slots 15 respectively, so that the six support plates 13 are connected to each other to form a ring structure; then several groups of support plates 13 are vertically welded and fixed together to form a first support assembly 10 to form an inner circular template. Next, the staff welds and fixes six first arc blocks 16 on the inner side of each group of six support plates 13, and then fixes two first springs 18 at the two ends of each first arc block 16; then, six second arc blocks 17 are slidably connected between the six first arc blocks 16, and the two ends of the second arc blocks 17 are respectively slidably contacted inside two adjacent first arc blocks 16, and at this time, the first spring 18 is located between one end of the second arc block 17 and the inside of the first arc block 16; according to the above steps, a plurality of second support assemblies 32 are respectively fixed on the inner sides of a plurality of groups of support plates 13, and finally, a plurality of first support rods 36 are welded and fixed between two adjacent second support assemblies 32, so as to strengthen the support effect of the first support assembly 10 through the plurality of second support assemblies 32.
[0036] Secondly, the staff fixes three vertical plates 19 with a circular array bolt on the inner side of the second support assemblies 32, and then welds and fixes three L-shaped plates 20 on the inner side of the lower ends of the three vertical plates 19; then fixes a number of annular plates 26 at vertical intervals on the inner side of the three vertical plates 19, and finally welds and fixes a number of second support rods 37 between two adjacent annular plates 26, so that the three vertical plates 19 are first matched with the three L-shaped plates 20 to enable the support assembly 11 to vertically support the first support assembly 10; then, the inner sides of the three vertical plates 19 are supported and fixed by the annular plates 26 to strengthen the vertical support of the support assembly 11; finally, a number of second support rods 37 are welded between two adjacent annular plates 26 to further strengthen the vertical support of the support assembly 11, so that the first support assembly 10 can better support. Three first shock absorbing assemblies 12 are connected and fixed between the three L-shaped plates 20 and the three vertical plates 19 respectively; then, a plurality of pairs of first fixing seats 27 are fixed on the outside of each annular plate 26, and then two second fixing seats 28 are fixed symmetrically up and down on the inside of each second arc block 17, and finally, a second shock absorbing assembly 22 is connected between each first fixing seat 27 and the second fixing seat 28. The staff placed the shaft excavation support construction structure into the shaft, and then installed a plurality of plug rods 21 on each L-shaped plate 20, so that the support assembly 11 is fixed to the bottom of the shaft.
[0037] Finally, the workers will carry out concrete lining between the outer side of the shaft excavation support construction structure and the inner side of the shaft. Use appropriate concrete delivery methods, such as pumping or lifting, to transport the concrete to the pouring location. Vibrate the concrete to ensure that the concrete is dense and free of bubbles. And according to the design requirements, pour and vibrate in layers.
[0038] A shaft excavation support construction structure of the present invention is provided with a first support assembly 10 and a second support assembly 32. First, a T-block 14 in one of the support plates 13 in the first support assembly 10 is slidably connected with a T-slot 15 in another support plate 13, so that a plurality of T-blocks 14 slide in a plurality of T-slots 15 respectively, so that six support plates 13 are connected to each other to form an annular structure, thereby improving the support function of the first support assembly 10. Then, a plurality of first arc blocks 16 in the second support assembly 32 are connected to each other. A plurality of first support rods 36 are welded and fixed to cooperate with a plurality of second arc blocks 17 and between each two adjacent second support assemblies 32, so as to strengthen the supporting effect of the first support assembly 10; finally, each first spring 18 is located between one end of the second arc block 17 and the inside of the first arc block 16, so as to strengthen the supporting effect of the first support assembly 10 through a plurality of second support assemblies 32, and perform preliminary shock-absorbing and buffering effect on the first support assembly 10, so that the first support assembly 10 has a good supporting effect on the concrete and the inner wall of the shaft.
[0039] A shaft excavation support construction structure of the present invention is provided with a support assembly 11, and the three vertical plates 19 in the support assembly 11 cooperate with the three L-shaped plates 20, so that the support assembly 11 performs a vertical support function on the first support assembly 10; then, a plurality of annular plates 26 are used to support and fix the inner sides of the three vertical plates 19, thereby strengthening the vertical support function of the support assembly 11; finally, a plurality of second support rods 37 are welded between two adjacent annular plates 26, thereby further strengthening the vertical support function of the support assembly 11, so as to facilitate the first support assembly 10 to perform a better support function.
[0040] A shaft excavation support construction structure of the present invention is provided with a first shock-absorbing assembly 12 and a second shock-absorbing assembly 22. The first support block 24 in the first shock-absorbing assembly 12 slides in the first frame 23 to cooperate with the second spring 25, so that the first shock-absorbing assembly 12 performs preliminary shock-absorbing and buffering effects on the vertical plate 19 and the L-shaped plate 20; and a plurality of second shock-absorbing assemblies 22 are connected between the annular plate 26 and the second support assembly 32, so as to further improve the shock-absorbing and buffering effects between the first support assembly 10 and the support assembly 11, so as to improve the supporting effect of the first support assembly 10 on the concrete and the inner wall of the shaft.
[0041] The embodiments of the present invention are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.
Claims
1. A shaft excavation support construction structure, characterized in that: It comprises a first support assembly, wherein a plurality of second support assemblies are fixedly arranged at vertical intervals on the inner side of the first support assembly; The first support assembly includes a plurality of support plates, each of which is in the form of an arc-shaped plate structure, and each six support plates are arranged in a circular array as a group, and each group of support plates is vertically welded and fixed, and both ends of each group of support plates are connected to each other to form a ring-shaped support plate structure, and the inner side of each group of support plates is fixedly connected to the outer side of the second support assembly, and a plurality of the second support assemblies are provided with support assemblies on their inner sides; The second support assembly includes six first arc blocks, the outer side of each first arc block is fixedly connected to the inner side of the support plate, a second arc block is slidably arranged between each two adjacent first arc blocks, and two first springs are arranged at both ends of each second arc block and connected to the inside of the two first arc blocks respectively; The support assembly includes three vertical plates, an L-shaped plate is fixedly provided on the inner side of the lower end of each vertical plate, and a first shock absorbing assembly is provided between the upper side of each L-shaped plate and the inner side of the vertical plate.
2. A shaft excavation support construction structure according to claim 1, characterized in that: A T-shaped block is fixedly provided at one end of each of the support plates, and a T-shaped slot is provided at the other end of each of the support plates. Each of the T-shaped blocks slides vertically inside the corresponding T-shaped slot.
3. A shaft excavation support construction structure according to claim 1, characterized in that: A plurality of first support rods are fixedly disposed between each two adjacent second support assemblies.
4. A shaft excavation support construction structure according to claim 1, characterized in that: The first shock-absorbing assembly includes a first frame, which is obliquely fixed on the upper side of the L-shaped plate. A first support block is slidably provided inside the first frame, the oblique upper end of the first support block is fixedly connected to the inner side of the vertical plate, and a second spring is provided at the oblique lower end of each first support block connected to the inside of the first frame.
5. A shaft excavation support construction structure according to claim 1, characterized in that: A plurality of inserting rods are vertically slidably arranged on each L-shaped plate.
6. A shaft excavation support construction structure according to claim 1, characterized in that: A plurality of annular plates are fixedly arranged at vertical intervals between the inner sides of the three vertical plates.
7. A shaft excavation support construction structure according to claim 6, characterized in that: A plurality of second support rods are welded and fixed between every two adjacent annular plates.
8. A shaft excavation support construction structure according to claim 1, characterized in that: The inner side of each vertical plate is provided with anti-slip grooves.
9. A shaft excavation support construction structure according to claim 6, characterized in that: A plurality of pairs of first fixing seats are fixedly arranged in a circular array on the outer side of the annular plate, two second fixing seats are symmetrically fixedly arranged on the inner side of each second arc-shaped block, a second shock absorbing assembly is connected to the interior of each first fixing seat and the interior of the second fixing seat, an inclined upper end of the second shock absorbing assembly is rotatably connected to the interior of the first fixing seat and a first hinge shaft is arranged, and an inclined lower end of the second shock absorbing assembly is rotatably connected to the interior of the second fixing seat and a second hinge shaft is arranged.
10. A shaft excavation support construction structure according to claim 9, characterized in that: The second shock absorbing assembly comprises a second frame body, two second supporting blocks are symmetrically slidably arranged in the interior of the second frame body, and a third spring is connected between the ends of the two second supporting blocks that are close to each other.